Home / 1,080,698,208.46-1,491,364,803.36-585,660,916.96

Finding the Fourth Proportional to 1,080,698,208.46, 1,491,364,803.36 and 585,660,916.96

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Solution

The fourth proportional to 1,080,698,208.46, 1,491,364,803.36 and 585,660,916.96 is: 808,212,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,698,208.46 : 1,491,364,803.36 = 585,660,916.96 : x
  2. Step 2: Convert to fraction form
    1,080,698,208.46/1,491,364,803.36 = 585,660,916.96/x
  3. Step 3: Cross multiply
    1,080,698,208.46x = 1,491,364,803.36 × 585,660,916.96
  4. Step 4: Simplify right side
    1,080,698,208.46x = 873,434,078,257,687,680
  5. Step 5: Solve for x
    x = 873,434,078,257,687,680/1,080,698,208.46
  6. Step 6: Final answer
    x = 808,212,756.73

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Double scale
Find fourth proportional to 1,080,698,209.46, 1,491,364,804.74 and 585,660,917.96
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.